Cryptic crossword No 3,456

Across

1. Scrutinised Mr Watts, before I initially managed to cut back (8)
2. Utter smell blocks less masculine myriapods (10)
3. Cents cut from VAT and small taxes (4)
4. Courage made of brittle stuff (6)
5. Writer blasts martianism (6,4) (10)
6. Stressing too much on top of locomotive, extreme speed! while I blow the whistle (15)
7. A vocal 500 or so pressed, and came back again (2-7)
8. Initial start engaging RAM configuration (3,2)
9. Full day, suitable for kids (9)
10. Pilot above Spain covering secret weapon (3,2,4,6)
11. Star ratings awarded following survey (6)
12. Cartoonist produces shocking Omani art (8)
13. Mimic onstage a bit of Kylie Minogue? (4)
14. Points define garden bends (5)

Down

1. Somerset politician accepts acre in Slough (5)
2. Motion that briefly disables a sensor? (3,5,2,2,3)
3. Gregarious guys found with spirits (6)
4. Don Christmas socks and sweater, initially around middle of flesh (5,4) (9)
5. Confuse girl lacking bearing (4)
6. Stuck, losing head and moved gingerly (5)
7. Audio surround sound composition could be an example of this? (3,5)
8. Bomb armoured vehicle (4)
9. Cleanses region of hell housing small creature, with Faust not Satan to begin with (10)
10. Meat, out of season, cut and placed on a French china plate (6)
11. Score very good drug with gin sling for Carlos Alcaraz maybe? (6,9)
12. Pastry covering small tables (9)
13. Looking for his honey, this man's marriage material? (3,1,6)
14. Organise workers from the United Nations to clear the air (8)